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2. (8 points) A cam with a knife-edge follower has a motion with the following characteristics:...
A cam with a knife-edge follower has a motion with the following characteristics:
A cam with a knife-edge follower has a motion with the following characteristics: lift = 50 mm base circle radius = 25 mm outstroke = 110 degrees cam rotation with cycloidal motion first dwell = 80 degrees return stroke = 90 degrees with simple harmonic motion Cam rotates at 550 rpm in CCW direction Determine the maximum velocity and acceleration of the follower during outstroke and return stroke.
Please be sure that the SCALE is 1:1 . CAM DESIGN lower type. Knife-edged follower •...
Please be sure that the SCALE is 1:1
. CAM DESIGN lower type. Knife-edged follower • Lift = 26 mm • Base circle radius = 28 mm Outstroke: Cycloidal motion for 120° cam rotation Dwell for 750 • Return stroke: Simple harmonic motion for 100° cam rotation • Dwell for the remaining 650 Cam rotates at 600 rpm in CW direction Cam shaft diameter: 18 mm • Cam thickness: 4+1 mm Draw the Displacement-Time (O) diagram. Use 1:1 scale. Draw...
A disc cam is to be designed for a knife edge follower with the following...
A disc cam is to be designed for a knife edge follower with the following data :Cam lift = 60 mm during 120° of cam rotation with simple harmonic motion. Dwell for the next 30°.During the next 90° of cam rotation, the follower returns to its original position with simple harmonic motion.Dwell during the remaining 120°.Draw the profile of the cam when the line of stroke of the follower passes through the axis of the cam shaft. The radius of...
CAM PROFILE WITH KNIFE EDGE FOLLOWER
A disc cam is to give SHM (Simple Harmonic Motion) to a knife-edge
follower during outstroke of 50mm. The angle ascent is 120, dwell 60, and
angle of descent 90°. The minimum radius of the cam is 50mm. Draw the profile
of the cam when the axis of the follower passes through the axis of the
camshaft.
Calculate the maximum velocity and acceleration during ascent and descent
when the camshaft revolves at 240 rpm.
A cam rotating clockwise at a uniform speed of 120 rpm
A cam rotating clockwise at a uniform speed of 120 rpm. is required to give motion to knife follower as below:(a) Follower to move outwards through 40 mm during 120° of cam rotation with simple harmonic motion,(b) Follower to dwell for the next 60° of cam rotation,(c) Follower to return to its starting position during next 90° of cam rotation withuniformly accelerated motion, and(d) Follower to dwell for the rest of the cam rotation.The minimum diameter of the cam is...
Consider a cam with a roller follower. The cam displacement curve is in the given order:...
Consider a cam with a roller follower. The cam displacement curve is in the given order: i. for 45 degrees, a sinusoidal rise of 1 in ii. for 75 degrees, a dwell iii. for 60 degrees, a cycloidal return of 1 in iv. for 180 degrees, a dwell During the motion, the velocity is continuous but not necessarily the acceleration. a) Assume a constant cam speed of 1200 rpm. Find the maximum magnitude of the velocity (in inch/s) and acceleration...
For the cam-follower mechanism in the figure, the cycloidal movement program is shown below: LOW DWELL...
For the cam-follower mechanism in the figure, the cycloidal movement program is shown below:
LOW DWELL (Rest or Stop) for 45 °
3 mm rise at 135 °
HIGH DWELL (Rest or stop) for 45 °
Drop or drop 3mm at 135 °
If the base radius is 21 mm, what is the coordinate RX1 in mm of the cam profile if θ1 = 153 degrees? Use as many decimal places as you can. The follower is of the wedge...
1. A follower is required that should rise through a total displacement of 10 inches with half cy...
1. A follower is required that should rise through a total displacement of 10 inches with half cycloidal motion in 130" of cam rotation and dwell at 10 inches for 90. Then the follower should return to the zero position with full simple harmonic motion in 90 of cam rotation and finally dwell for 50 before repeating the cycle. b. In an Excel spreadsheet determine the heights in each of the above segments for 0 360 a range of 0s8s3...
10 Marks Question Five A cam drives a flat-faced follower. It is designed for.a zero lift from 0 to 70 degrees and f...
10 Marks Question Five A cam drives a flat-faced follower. It is designed for.a zero lift from 0 to 70 degrees and for a harmonic in the rise from 70 to 150 degrees. It then dwells at 40 mm lift for cam angles from 150 deg to 250 deg. Followed by a return with a uniform-motion follower displacement from 250 to 360 degrees. If the cam angular velocity is constant ot 1000 rpm, determine 40.0 70 100 150 200 250...
2 (30 p points) A follower rises through a total displacement of 6 inches with full rise cycloida...
2 (30 p points) A follower rises through a total displacement of 6 inches with full rise cycloidal motion in 130 of cam rotation and then dwells at 6 inches for 90. Then the follower returns to the zero position with full fall cycloidal motion in 90 of cam rotation and finally dwells for S0 before repeating the cycle. The cam rotates at a angular velocity of 10 rpm cew and angular acceleration of 3 rad/sec2 cw. 2π o 5...
Please be sure that the SCALE is 1:1
. CAM DESIGN lower type. Knife-edged follower • Lift = 26 mm • Base circle radius = 28 mm Outstroke: Cycloidal motion for 120° cam rotation Dwell for 750 • Return stroke: Simple harmonic motion for 100° cam rotation • Dwell for the remaining 650 Cam rotates at 600 rpm in CW direction Cam shaft diameter: 18 mm • Cam thickness: 4+1 mm Draw the Displacement-Time (O) diagram. Use 1:1 scale. Draw...
Consider a cam with a roller follower. The cam displacement curve is in the given order: i. for 45 degrees, a sinusoidal rise of 1 in ii. for 75 degrees, a dwell iii. for 60 degrees, a cycloidal return of 1 in iv. for 180 degrees, a dwell During the motion, the velocity is continuous but not necessarily the acceleration. a) Assume a constant cam speed of 1200 rpm. Find the maximum magnitude of the velocity (in inch/s) and acceleration...
For the cam-follower mechanism in the figure, the cycloidal movement program is shown below:
LOW DWELL (Rest or Stop) for 45 °
3 mm rise at 135 °
HIGH DWELL (Rest or stop) for 45 °
Drop or drop 3mm at 135 °
If the base radius is 21 mm, what is the coordinate RX1 in mm of the cam profile if θ1 = 153 degrees? Use as many decimal places as you can. The follower is of the wedge...
1. A follower is required that should rise through a total displacement of 10 inches with half cycloidal motion in 130" of cam rotation and dwell at 10 inches for 90. Then the follower should return to the zero position with full simple harmonic motion in 90 of cam rotation and finally dwell for 50 before repeating the cycle. b. In an Excel spreadsheet determine the heights in each of the above segments for 0 360 a range of 0s8s3...
10 Marks Question Five A cam drives a flat-faced follower. It is designed for.a zero lift from 0 to 70 degrees and for a harmonic in the rise from 70 to 150 degrees. It then dwells at 40 mm lift for cam angles from 150 deg to 250 deg. Followed by a return with a uniform-motion follower displacement from 250 to 360 degrees. If the cam angular velocity is constant ot 1000 rpm, determine 40.0 70 100 150 200 250...
2 (30 p points) A follower rises through a total displacement of 6 inches with full rise cycloidal motion in 130 of cam rotation and then dwells at 6 inches for 90. Then the follower returns to the zero position with full fall cycloidal motion in 90 of cam rotation and finally dwells for S0 before repeating the cycle. The cam rotates at a angular velocity of 10 rpm cew and angular acceleration of 3 rad/sec2 cw. 2π o 5...
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